b. (i) A Group in the modern Periodic Table is completely missing from Newlands' Table. What is the number of this Group? Group number (ii) Suggest a reason why this Group of elements is missing from _(1pt) Newlands' Table. _(1pt) c. Give one difference between iron, Fe, and the other elements in column g of Newlands' Table. d. Give the name of the block of elements in the modern Periodic (1pt) Table which contains Cr, Ti, Mn, and Fe. e. Both Newlands and Mendeleev based their tables on atomic weights. Explain why the modern Periodic Table is based on proton (atomic) numbers. f. The atoms of elements in Group 1 of the modern Periodic Table increase in size going down the group. Explain, in terms of electrons, how this increase in size affects the reactivity of these (1pt) (2pts) elements. _(3pts)

b. (i) A Group in the modern Periodic Table is completely missing from Newlands' Table. What is the number of this Group? Group number (ii) Suggest a reason why this Group of elements is missing from _(1pt) Newlands' Table. _(1pt) c. Give one difference between iron, Fe, and the other elements in column g of Newlands' Table. d. Give the name of the block of elements in the modern Periodic (1pt) Table which contains Cr, Ti, Mn, and Fe. e. Both Newlands and Mendeleev based their tables on atomic weights. Explain why the modern Periodic Table is based on proton (atomic) numbers. f. The atoms of elements in Group 1 of the modern Periodic Table increase in size going down the group. Explain, in terms of electrons, how this increase in size affects the reactivity of these (1pt) (2pts) elements. _(3pts)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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tion 12 - Chapter 10 Home X ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps%252Fport ter 10 Homework i 2 ts Skipped eBook Hint Print References + Mc Graw Hill NH4NO3 → (Click to select) N20 + Balance the chemical equation. Note that you must select "1" if that is the correct coefficient, though the "1" is not typically written in a balanced equation, but is implied. (Click to select) NH4NO3 5 2 1 JUL 11 Saved (Click to select) H20 AN 1 átv Help A S
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